Laboratory report showing GCMS blank analysis results for volatile organic compounds with detection limits below MDL.
NYC-WTC_000037616–000037634Folder label: “GCMS X 2/19/02 A 3/8/02”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Library Search Compound Report
* Data File : C:\MSDCHEM\l\5973N\02MAR08\0219B.D Vial: 1 Acq On : 8 Mar 2002 10:39 am Operator: Sample : lab blank 2/19 Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 Propane, 1,l-dimethoxy-2-me... Concentration Rank 10
R.T. EstConc Area Relative to ISTD R.T.
3.93 0.08 ug/L 39532 1,4-Dichlorobenzene-d4 9.71
Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 Propane, 1,l-dimethoxy-2-methyl - 118 C6H1402 041632-89-7 78 2 ISOBUTYRALDEHYDE, DIMETHYLACETAL. .. 118 C6H14O2 000000-00-0 78 3 3-(Methylthio)-2-butanone $$ 2-B... 118 C5H10OS 053475-15-3 42 4 Heptane, 1,1-dimethoxy- (CAS) $$... 160 C9H20O2 010032-05-0 40 Abundance Scan 49 (3.927 min): 0219B.D (-) m/z 75.00 100.00% 75
5000 87 55 41 TP ■ ■ । ■ ■ ■ ■ i ■ ■ ■1 । ■ ' '' । 3.60 3.80 4,00 4.20 11 1l(.... ।.. . 1.! 1———— .. TII—00011100 207 m/z i87.10 47.37% 0- ।.।..... m/z—> 20 30 40 50 60 70 80 90 100110 120130140150160 170180 190200 21C Abundance #17846: Propane, 1,1-dimethoxy-2-methyl- 75
5000 87 ---------------- 3.60 3.80 4.00 4.20 -A— 55 m/z 55.00 30.24% 0 TTTppr -rrpT31 45i -HgDTmTT I TTIUOIUnpg] m/z—> 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #17849: ISOBUTYRALDEHYDE, DIMETHYLACETAL $$ 1,1 -Dimethoxyi.. 75 —. —AA— 3.60 3.80 4.00 4.20 5000 m/z 47.00 16.70% 87 55 29 45 ... 0 1’11 »h। i < i . |lift 1 ili i j t . J l| 1127 | r t l. | . > | .... p > . . [ I M 1 | .... | ... .j .... | .... | ... .j .... | | .... ( . . , m/z—> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 Abundance #17584: 3-(Methylthio)-2-butanone $$ 2-Butanone, 3-(methyl... ■ ' I ■ ■ • ‘ i T T 75 3.60 3.80 4.00 4.20 m/z 41.10 12.38% 5000 118 47
m/z—> 0- 59 mmmmmlmmmmp TuOuUngO]—np—B83,—mBIp—mBpp TIUT 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 _AAA 3.60 3.80 4.00 4.20
0219B.D HP022102.M Fri Mar 15 10:08:43 2002 Page 4
NYC-WTC_000037622
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000037635
Laboratory report documenting GCMS analysis of a method blank for sample AE03508 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037760
Laboratory report documenting GCMS analysis of a method blank for sample AE03615 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037780
Gas chromatography-mass spectrometry analysis of sample AE03616 performed on 3/28/2002, detecting other unknown compounds with surrogate 2,4-DDD at 5.0 µg detection limit.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000037740
Laboratory report documenting GCMS analysis of a method blank for sample AE03614 to verify analytical system cleanliness.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051512
Laboratory report showing GCMS blank analysis results for sample AE00555 conducted between January 29 and February 1, 2002.
1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010843
Laboratory report documenting a blank run for gas chromatography-mass spectrometry analysis of sample AE02713.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052029
Laboratory report showing GCMS blank analysis of sample AE00830 with compounds below detection limits.
1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000004494
Multi-page laboratory data sheet containing sample analysis results and metadata for DEP GCMS records from January to February 2002.
1 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009918
Calibration data for GCMS analysis including response factors for various organic compounds recorded on February 21, 2002.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010967
Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000006105
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03246 conducted on March 15, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000050189
Blank analysis report for GCMS testing of sample AD31647 confirming no contamination above detection limits.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000037604
Department of Environmental Protection site log sheet for the World Trade Center area covering February and March 2002.
Filed in the same folder
NYC-WTC_000037605
Record of water sample extraction parameters including drip rates, volumes, and pH measurements from February to March 2002.
Filed in the same folder
NYC-WTC_000037611
Reference standard analysis data verifying instrument performance for detecting volatile organic compounds in water samples.
Filed in the same folder
NYC-WTC_000037635
Laboratory report documenting GCMS analysis of a method blank for sample AE03508 to verify analytical system cleanliness.
Filed in the same folder
NYC-WTC_000037655
Laboratory report listing concentrations of volatile organic compounds in sample AE03509 analyzed on March 19, 2002.
Filed in the same folder